Bibliografie tematiche / Induction motor

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Letteratura scientifica selezionata sul tema "Induction motor"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 8 giugno 2024

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Articoli di riviste sul tema "Induction motor"

Singh, Yaduvir, Darshan Singh e Dalveer Kaur. "Performance Comparison of PI and Fuzzy-PI Logic Speed Control of Induction Motor". INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 6, n. 3 (5 marzo 2013): 400–413. http://dx.doi.org/10.24297/ijct.v6i3.4464.

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Single-phase induction motors are also used extensively for smaller loads. Speed control of induction motor has beenimplemented using PI (Proportional-Integral) controller and Fuzzy PI controller in Simulink MATLAB. The results showthat induction motor Fuzzy-PI speed control method results in a quicker response with no overshoot than theÂ conventional PI controller. The settling time of induction motor Fuzzy-PI speed is better than the conventional PIÂ controller. The integral time of weighted absolute error (ITEA) performance criteria also shows that the induction motorÂ Fuzzy-PI speed control has better performance. Moreover, the induction motor Fuzzy-PI speed control has a strongÂ ability to adapt to the significant change of system parameters.

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Solomin, Vladimir A., Andrej V. Solomin, Larisa L. Zamshina e Nadejda A. Trubitsina. "Determination of the axial force of a cylindrical linear induction motor with rotational-translational movement of the secondary element". Modern Transportation Systems and Technologies 8, n. 1 (15 gennaio 2022): 50–66. http://dx.doi.org/10.17816/transsyst20228150-66.

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Background: the variety of modern electric drives requires the creation of new types of electric motors with enhanced functionality. Cylindrical linear induction motors with rotational-translational movement of secondary elements also belong to such electric machines. Aim: development of a cylindrical linear induction motor with rotational-translational movement of the secondary element. Materials and methods: the use of a discrete inductor system for the implementation of the rotational-translational movement of the secondary element, the analytical solution of the field problem. Results: new design of a cylindrical linear induction motor with rotational-translational movement of the secondary element, the ratio for determining the axial force of the motor. Conclusion: the proposed design of a cylindrical linear induction motor has extended functionality due to the simultaneous implementation of the rotational-translational movement of the secondary element.

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Syahputra, Ramadoni, Hedi Purwanto, Rama Okta Wiyagi, Muhamad Yusvin Mustar e Indah Soesanti. "Analysis of Induction Motor Performance Using Motor Current Signature Analysis Technique". Journal of Electrical Technology UMY 5, n. 1 (21 luglio 2021): PRESS. http://dx.doi.org/10.18196/jet.v5i1.11764.

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This paper discusses the analysis of the performance of an induction motor using the motor current signature analysis (MCSA) technique. Induction motor is a type of electric machine that is widely used in industry. One of the industries that utilize induction motors is a steam power plant (SPP). The role of induction motors is very vital in SPP operations. Therefore, it is necessary to monitor the performance, stability, and efficiency to anticipate disturbances that can cause damage or decrease the life of the induction motor. MCSA is a reliable technique that can be used to analyze damage to an induction motor. In this technique, the induction motor current signal is detected using a current transducer. The signal is then passed on to the signal conditioning and then into the data acquisition device. The important signal data is analyzed in adequate computer equipment. The results of this analysis determine the condition of the induction motor, whether it is normal or damaged. In this research, a case study was carried out at the Rembang steam power plant, Central Java, Indonesia. The results of the analysis of several induction motors show that most of them are in normal conditions and are still feasible to operate.

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Abdelhafiz Zeiada, Ngu Eng Eng e Moataz Saad Balla. "Multiple three-phase induction motors connected to a zigzag transformer". Maejo International Journal of Energy and Environmental Communication 3, n. 1 (28 febbraio 2021): 8–14. http://dx.doi.org/10.54279/mijeec.v3i1.245075.

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Many experiments have been conducted in this research work which is (i) connecting a zigzag transformer with an induction motor, (ii) connecting a zigzag transformer with multiple induction motors, and (iii) connecting multiple zigzag transformers with multiple induction motors. These experiments provide a thorough understanding of the sequence network connections under the single-phasing condition of a three-phase induction motor. Moreover, these experiments protect the three-phase induction motors from unbalancing voltage supply and allow the induction motor to start under unbalance voltage supply. Additionally, they keep the three-phase induction motor running even any one of the three phases disconnected from the power supply without creating excessive heat in the motor winding.

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Soleh, Muhamad, Taryo Taryo e Arifudin Arifudin. "Performance Analysis of 3 Phase Induction Motor Against Loading Using the Power Simulator (PSIM) Application". Mestro: Jurnal Teknik Mesin dan Elektro 4, n. 02 (17 dicembre 2022): 8–14. http://dx.doi.org/10.47685/mestro.v5i02.358.

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Three-phase induction motors are the most widely used type of motor in industry, induction motors are widely used as prime movers to turn loads on production machines in the industrial world. The output of a three-phase induction motor is the amount of torque to move the load. If the load torque carried by the three-phase induction motor is greater, then the three-phase induction motor will not rotate. And if the load torque carried by a three-phase induction motor is too small, this is considered excessive. In this analysis the method used by the author is the experimental method of analysis using the Power Simulator application with load data and induction motor data. Based on the analysis, it was found that Istart and Inominal on a 15 kW induction motor have different values according to the torque value used, so the torque value is directly proportional to the Istart value. Meanwhile, Istart induction motors 15 kW 894.324 (15 N.m), 894.149 (25 N.m), 894.159 (60 N.m) and 45 kW induction motors 355.15 (25 N.m), 355.172 (60 N.m), 355.172 (80 N.m) and induction motors 55 kW 337.743 (30N.m), 337.76 (50N.m) and 337.761 (100N.m) Reaches 80% of full speed, torque is at its highest “pull-out torque”) and current starts to fall and is at full speed, or synchronous speed, torque and stator currents drop to zero, it can be concluded that the greater the value of the stator resistance, the smaller the value of the starting current. Keywords: Induction Motor, Torque, PSIM

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Pasaribu, Christover. "Analysis Of The Effect Of One Phase Open Stator On The Performance And Temperature Of A Three Phase Induction Motor Cage Rotor". Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi 11, n. 1 (30 aprile 2020): 23–28. http://dx.doi.org/10.35335/mekintek.v11i1.10.

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Induction motors are alternating current motors that are most often used in the industrial world. Induction motors are used as pumps, compressors, fans, conveyors, and supporting other production propulsion equipment. The use of induction motors in industry is more profitable than DC motors or synchronous motors, one of the advantages is a strong and durable construction and easy maintenance and high efficiency. The problem of one of the open stator phases is one of the problems in the operation of an induction motor. Therefore, it is necessary to conduct a study in the form of analysis and research in the laboratory to see how the opening of one of the stator phases affects the performance and temperature rise of the induction motor. The test is carried out by overloading the induction motor by 0.5 Nm; 1.0 Nm; 1.5 Nm; 2.0 Nm; 2.5 Nm; 3.0 Nm. From the research conducted, it can be concluded that, among others, the opening of a single stator phase results in greater motor losses and an increase in motor temperature. Motor efficiency is better when the motor is in normal phase condition.

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Asri Indah Lestari, Sofiah Sofiah e Yogie Ragil Pamungkas. "Proteksi Motor Induksi Satu Fasa Terhadap Kenaikan Suhu Pada Pengering Maggot Berbasis Panel Surya". Jurnal Ampere 8, n. 1 (30 giugno 2023): 1–9. http://dx.doi.org/10.31851/ampere.v8i1.11539.

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Electric motors are a very vital need in an industry, household and other needs. Electric motors that are often used in an industry are types of induction motors, where the induction machine is an electric motor that is very easy in its maintenance system so that this motor has the highest rating in its use system. In this study, using a single-phase induction motor as a maggot dryer is useful for making the maggot storage period longer and of high selling value. This study aims to protect the single-phase induction motor in the maggot drying system against temperature increase due to prolonged grinding using the DS18B20 sensor. So that the single-phase induction motor is able to work when the motor is unstable at the time of overcurrent. With the installation of the DS18B20 sensor, the single-phase induction motor will stop automatically when the given temperature setting has exceeded the limit set on the sonoff. With the protection system of this single-phase induction motor, it can maximize the performance of the electric motor in the maggot drying process and provide convenience in remote motor control and time setting on and off using the Internet of Things (IoT).

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Anton, Anton, e Tuti Angraini. "UNJUK KERJA DAN PEMANFAATAN INVERTER SEBAGAI PENGENDALI KECEPATAN MOTOR INDUKSI 3 PHASA". Elektron : Jurnal Ilmiah 5, n. 2 (13 dicembre 2013): 87–92. http://dx.doi.org/10.30630/eji.5.2.59.

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The Induction motors are found in industrial and domestic environments because of low cost of operation including, induction motors are widely used induction motor 1 phase and 3 phase. During operation of induction motors generally used at normal speed, but the specific purpose induction motors operated with variable speed. In order to obtain varying motor speed can be controlled using the inverter. The use of inverters here to give supplay voltage AC induction motor in which the magnitude of the frequency can be varied. Setting frequency of the inverter utilizing method pulse with modulation (PWM). The circuit used to build PWM, using Insulated Gate Bipolar Transistor (IGBT) technology. Values obtained variable frequency ranging from 4 Hz to 50 Hz, and acquired motor speed ranging from 12 rpm up to 1390 rpm.

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Kamar, Syamsul, Meiyanne Lestari, Respatya Teguh Soewono, Sofwan Hidayat, Hilda Luthfiyah, Okghi Adam Qowiy, Fauzi Dwi Setiawan e Mulyadi Sinung Harjono. "Performance analysis of three-phase induction motor for railway propulsion system". International Journal of Power Electronics and Drive Systems (IJPEDS) 14, n. 3 (1 settembre 2023): 1433. http://dx.doi.org/10.11591/ijpeds.v14.i3.pp1433-1441.

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A three-phase induction motor absorbs the most electric power among other electrical loads. Therefore, three-phase induction motors are the primary electric motors used in industrial applications thanks to their simple construction and easy operation, as well as low cost and low maintenance costs. Efficiency is a critical parameter that characterizes an induction motor as a traction motor. The traction motor is defined as the engine's effectiveness in converting electrical power at its input into mechanical energy by rotating torque on its axis. One way to analyze the efficiency is to use test data obtained from laboratory tests in case-loaded and no-load tests. Calculations using several formulas on the efficiency of an induction motor as a traction motor produce the same result, namely the efficiency of 98.6% by applying variable frequency drive (VFD). The result of laboratory tests and their analysis can be used as a reference for designing three-phase induction motors for railway traction motors, especially traction motors for high-speed trains<em>.</em>

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Al Rakib, Md Abdullah, Md Moklesur Rahman, Md Miraj Hossain, Md Ashiqur Rahman, Mousume Samad e Fysol Ibna Abbas. "Induction Motor Based Speed and Direction Controller". European Journal of Engineering and Technology Research 7, n. 6 (28 novembre 2022): 82–86. http://dx.doi.org/10.24018/ejeng.2022.7.6.2868.

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Induction motors are widely employed in a variety of sectors, from household gadgets to industrial machinery. This mandates the deployment of an effective and safe speed control device. Induction motors may also run in either direction, which is beneficial in a variety of applications. The Induction Motor Speed and Direction Controller Project are designed to regulate the induction motor's speed and direction. Induction motors run on straight AC lines, and the amount of power they receive determines how fast they revolve. Through AC driver circuitry, we may regulate the power of the AC line to change the speed of the induction motor. A microcontroller from the Atmega family is utilized to provide PWM power to an opto-coupler, which drives the TRIAC that supplies power to the induction motor. The microcontroller receives instructions via a mobile phone connection to the system. The mobile phone sends DTMF signals to the system, which the system recognizes and responds to appropriately. A button is used to raise the speed of the induction motor, a button to change direction, and a button to lower the speed of the induction motor, according to the video. On the LCD, the entire procedure may be observed in real time. In this way, this project demonstrates how to control the speed and direction of an induction motor.

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Più fonti

Tesi sul tema "Induction motor"

Gordon, B. M. "Small induction motor drives". Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599532.

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Domestic appliances represent very cost conscious applications for drives where the emphasis is on achieving the optimum compromise between cost and performance. The requirements placed on a domestic appliance drive are so radically different from those demanded of an industrial drive, that a detailed re-evaluation of all the constituent sub-units of the drive must be undertaken. Domestic appliances are produced in large volumes so the use of a special arrangement or custom components can be justified if an overall benefit can be demonstrated. The work presented in this dissertation is concerned with small drives which are suitable for domestic appliances. A study of the optimal number of phases for current and possible future power electronic construction methods is presented and their suitability of domestic appliance drives considered. Comparisons based on material utilisation and the quality of the air gap flux waveform are presented. With the power electronic technology available two and three phase drives were found to be the best compromise between cost and complexity, and several drives of each type were built to provide experimental evidence on the performance of each alternative drive topology proposed. The experimental results obtained from the different drives built are related to the conclusions of work on inverter topology and phases number.

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Chaudhary, Sumeet. "Lightweight Electromagnetic Induction Motor". University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1581333548692675.

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Deib, Deib Ali. "Induction motor operation with series capacitance". Ohio : Ohio University, 1986. http://www.ohiolink.edu/etd/view.cgi?ohiou1183129403.

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Green, T. C. "Scalar controlled induction motor drives". Thesis, Heriot-Watt University, 1990. http://hdl.handle.net/10399/892.

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Memon, Niaz A. "Four quadrant induction motor controller". Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260798.

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Flack, Timothy John. "Induction motor modelling using finite elements". Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/7405.

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Hussein, Ali. "Interface issues in induction motor drives". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ44877.pdf.

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Armstrong, G. J. "Encoderless vector controlled induction motor drives". Thesis, University of Newcastle Upon Tyne, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246112.

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Manchen, Manfred Ludwig. "Shaded-pole flat linear induction motor". Thesis, Cape Technikon, 1990. http://hdl.handle.net/20.500.11838/1137.

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Thesis (Masters Diploma (Heavy Current)) -- Cape Technikon, 1991
Linear induction motors are built for numerous applications. Their robustness, gearfree-link to the load and the fact that speed is not a function of the number of poles (as in round machines) are only a few advantages. As every single phase motor needs some starting aid, so does a linear induction drive. For round machines, capacitors or shaded poles are usually used. A capacitor can be damaged electrically, which is a rare occurrence for shading rings. A useful combination of these advantages is a linear induction motor which is gearless and uses the shaded pole principle as a starting aid. In order to simplify the designing process, a computer program (Fortran) was written. The main objective on the electrical side was to obtain low input power, high power factor and high efficiency. In order to find the performance curves, torque measurements were made. Although the principles of torque measurements are well known the device to measure torque for this machine was not available and had to be constructed.

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Esuri, Abdulhamid H. "Two-phase inverter/induction motor drive". Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/33109.

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Much interest is shown nowadays in the use of variable-speed ac motor drives in applications which previously have been the domain of the de motor supplied from a controlled rectifier or chopper. This interest is due mainly to improvements in semiconductor switching technology and the consequent increased reliability of the de-link inverter, together with the cost-effectiveness and the long-term reliability of ac machines, especially squirrel-cage induction motors. This thesis presents a recently developed form of variable-speed ac motor drive, comprising a 2-phase induction motor fed by a 2-phase inverter. A detailed mathematical model for the drive is developed and this is used to predict the dynamic and steady-state performance of a 300W experimental arrangement under various operating conditions and for both square-wave and sinusoidal PWM modes of operation. The validity and accuracy of the model are confirmed by the close agreement obtained in both shape and value between the experimental and predicted results. The harmonic content of the drive waveforms and the levels of torque and speed pulsations resulting from the inverter supply for both the square-wave and PWM modes of operation are evaluated, and the effects of load-torque and operating frequency variations on the drive performance are also considered. It is concluded in the thesis that this drive arrangement offers the advantages of relative simplicity, high reliability and little maintenance, and can provide a reasonably good performance and efficiency over a wide speed range. Consequently, it is a viable alternative for many variable-speed drive applications.

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Più fonti

Libri sul tema "Induction motor"

Hansen, Irving G. Induction motor control. [Washington, DC]: National Aeronautics and Space Administration, 1990.

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Karmakar, Subrata, Surajit Chattopadhyay, Madhuchhanda Mitra e Samarjit Sengupta. Induction Motor Fault Diagnosis. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0624-1.

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Marino, Riccardo, Patrizio Tomei e Cristiano M. Verrelli. Induction Motor Control Design. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-284-1.

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Marino, Riccardo. Induction motor control design. London: Springer, 2010.

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F, Fuchs E., University of Colorado, Boulder. Dept. of Electrical and Computer Engineering. e Electric Power Research Institute, a cura di. Optimization of induction motor efficiency, Volume 2: Single-phase induction motors. Palo Alto, Calif: The Institute, 1987.

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Wu, Bin. PWM CSI induction motor drives. Ottawa: National Library of Canada, 1990.

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Senty, Steve. Motor control fundamentals. Australia: Delmar, 2013.

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Keli, Shi, a cura di. Applied intelligent control of induction motor drives. Hoboken, N.J: Wiley, 2011.

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Chan, Tze-Fun, e Keli Shi. Applied Intelligent Control of Induction Motor Drives. Singapore: John Wiley & Sons (Asia) Pte Ltd, 2011. http://dx.doi.org/10.1002/9780470825587.

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Mohamed, Abdulatif Abdusalam. Modelling and simulation of a cycloconverter induction motor drive. Leicester: De Montfort University, 1998.

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Più fonti

Capitoli di libri sul tema "Induction motor"

Hernández-Guzmán, Victor Manuel, Ramón Silva-Ortigoza e Jorge Alberto Orrante-Sakanassi. "Induction Motor". In Energy-Based Control of Electromechanical Systems, 205–76. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58786-4_5.

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Capolino, Gerard-Andre. "Induction Motor Drives". In Modern Electrical Drives, 317–32. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9387-8_15.

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Mbungu, N. T., Ramesh Bansal, Raj Naidoo e D. H. Tungadio. "Induction Motor Protection". In Power System Protection in Smart Grid Environment, 423–52. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, 2019.: CRC Press, 2019. http://dx.doi.org/10.1201/9780429401756-12.

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Sundareswaran, K. "Induction Motor Fundamentals". In Elementary Concepts of Power Electronic Drives, 263–76. Boca Raton : Taylor & Francis, 2019.: CRC Press, 2019. http://dx.doi.org/10.1201/9780429423284-9.

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Karmakar, Subrata, Surajit Chattopadhyay, Madhuchhanda Mitra e Samarjit Sengupta. "Induction Motor and Faults". In Induction Motor Fault Diagnosis, 7–28. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0624-1_2.

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Boldea, Ion. "Motor Specifications and Design Principles". In Induction Machines Handbook, 99–122. Third edition. | Boca Raton: CRC Press, 2020. |: CRC Press, 2020. http://dx.doi.org/10.1201/9781003033424-4.

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Karmakar, Subrata, Surajit Chattopadhyay, Madhuchhanda Mitra e Samarjit Sengupta. "Introduction". In Induction Motor Fault Diagnosis, 1–6. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0624-1_1.

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Karmakar, Subrata, Surajit Chattopadhyay, Madhuchhanda Mitra e Samarjit Sengupta. "Analytical Tools for Motor Fault Diagnosis". In Induction Motor Fault Diagnosis, 29–55. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0624-1_3.

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Karmakar, Subrata, Surajit Chattopadhyay, Madhuchhanda Mitra e Samarjit Sengupta. "Broken Rotor Bar". In Induction Motor Fault Diagnosis, 57–78. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0624-1_4.

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Karmakar, Subrata, Surajit Chattopadhyay, Madhuchhanda Mitra e Samarjit Sengupta. "Rotor Mass Unbalance". In Induction Motor Fault Diagnosis, 79–104. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-0624-1_5.

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Atti di convegni sul tema "Induction motor"

Asher, G. M. "Sensorless induction motor drives". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000386.

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Atkinson, D. "Vector control of cascaded induction motors". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000384.

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Watanabe, E. "High performance motor drive using matrix converter". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000387.

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Levi, E. "Induction motor sensorless vector control in the field weakening region". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000383.

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Hughes, A. "Visualising vector control in cage motors". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000381.

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Schofield, J. R. G. "A 3.3 kV variable frequency converter for retrofitting to existing motors". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000382.

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Thomas, J. L. "Advanced torque control of induction motors fed by a floating capacitor multilevel VSI actuator". In IEE Seminar on Advances in Induction Motor Control. IEE, 2000. http://dx.doi.org/10.1049/ic:20000385.

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Curiac, Radu S., e Sumit Singhal. "Magnetic Noise in Induction Motors". In ASME 2008 Noise Control and Acoustics Division Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ncad2008-73077.

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Noise in large high voltage induction motors (500Hp–18000Hp) may be airborne or magnetic in nature. Usually, large high voltage induction motors are custom built and tailored to meet customer’s demand. Since every motor is unique in its design, it is imperative to predict accurately the magnetic noise generation during design phase, this way avoiding expensive rework cost and not loosing the customer confidence. Stator – rotor mechanical design, along with careful electrical coil design, can significantly cut down magnetic noise in an induction motor. This paper discusses the various causes and control of magnetic noise in large induction motors. Theoretical noise predictions in large induction motors, along with measured experimental noise data, are presented.

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Singhal, Sumit, Alexander Nijhuis e Christian Bauer. "A Case Study on Windage Noise Diagnosis and Reduction in 10,000 HP High Speed Induction Motor". In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-10193.

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Noise in large high voltage induction motors (500Hp and above) may be windage or magnetic in nature. Usually large high voltage induction motors induction motors are custom built and tailored to meet customers demand. In large high speed induction motors sometimes it is difficult to isolate windage noise from magnetic noise as the generated frequencies are similar in magnitude; hence reducing noise after motor is manufactured becomes extremely challenging. This paper will present the noise troubleshooting case study of 10,000Hp induction motor that shows overall noise of 100 dB during the factory testing. A variety of tests (e.g unloaded, variable speed, coupled loaded test and also test motor driven as load) were performed to isolate magnetic noise from air borne noise. Noise FFT data was collected to identify peak noise generating frequencies. Sound intensity and sound pressure data were also collected to calculate overall sound power level. After identifying the cause of noise, motor frame design was modified which results in overall noise level of 85 dB.

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Escobar, Katherine, Maxim Radov e Cristina Vasilache. "Defining a New Era for Induction Motors". In SPE Gulf Coast Section Electric Submersible Pumps Symposium. SPE, 2021. http://dx.doi.org/10.2118/204511-ms.

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Abstract Induction motors have been widely used in the ESP industry for decades. Motor operation, control, and optimization are well-understood topics among providers and final consumers, who strive to get the most efficient electrical machine in the well to reduce power consumption and, consequently, operating expenses. This paper presents a case study for a newly redesigned induction motor and changes made in its design and construction. A field trial of two wells deployed with the new motor and a comparison with a well deployed with the standard motor are described. Field and simulated data are used to analyze the electrical performance and power consumption. The test results included are from wells in the US Rocky Mountains. Additionally, some of the motors in this test were manufactured with a high-performance thermally conductive and electrically insulative windings encapsulation, which is further discussed in the paper. The increased efficiency was achieved through an optimized electromagnetic design that helped to reduce the motor total losses. Efficiency gains were measured against standard motor design through laboratory testing, and the result showed 2.2 to 2.5% higher efficiency for the newly developed motor. With the higher power density, the motor length was shortened from 20 to 25% during the field trials, reducing the total length of the string. In addition to the optimization of motor length, the newly redesigned motor generates a lower core temperature when compared to a previous motor of the same length and subjected to the same load. This fact allows the motor to be loaded up to 25% above its nameplate rating, improving the horsepower rating and opening a new era for highly flexible induction motors. The gathered results showed that the newly redesigned motor provides higher efficiency and lower total electrical power consumption compared to the standard induction motor that would have been used in those applications. Both results were evidenced in controlled laboratory testing and field trials. A further comparison of similar ESP equipment configuration running with former motor versions is also provided, as well as design comparison cases between the expected results of the previous and the newly designed motor.

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Rapporti di organizzazioni sul tema "Induction motor"

Turman, B. N., B. M. Marder, G. J. Rohwein, D. P. Aeschliman, J. B. Kelley, M. Cowan e R. M. Zimmerman. The pulsed linear induction motor concept for high-speed trains. Office of Scientific and Technical Information (OSTI), giugno 1995. http://dx.doi.org/10.2172/90379.

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Fronista, Gregory L. An Induction Motor Drive Using a Resonant DC Link Inverter. Fort Belvoir, VA: Defense Technical Information Center, febbraio 1996. http://dx.doi.org/10.21236/ada307324.

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Konrad, Charles E. Integrated Cooling System for Induction Motor Traction Drives, CARAT Program Phase Two Final Report. Office of Scientific and Technical Information (OSTI), dicembre 2002. http://dx.doi.org/10.2172/1171520.

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Barrowes, Benjamin, Dan Glaser, Brian Quinn, Mikheil Prishvin e Fridon Shubitidze. Unmanned aerial systems electromagnetic induction sensor development : evaluation of commercial-off-the-shelf unmanned aerial system motor interference and mitigation in airborne electromagnetic induction sensors. Engineer Research and Development Center (U.S.), settembre 2019. http://dx.doi.org/10.21079/11681/34104.

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Erdal Erbatur, Meral, Ali Ozdemir, Canan Tiryaki, Serkan Erbatur, Sedat Kaya e Osman Uzundere. Comparison of Low Doses of Lidocaine in Terms of Efficacy, Reliability, and Satisfaction in Ambulatory Hand Surgery Using Intravenous Regional Anaesthesia with Forearm Tourniquet: A Prospective, Randomized Controlled Trial. Science Repository, febbraio 2024. http://dx.doi.org/10.31487/j.acr.2024.01.01.

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Objective: This study aimed to assess efficacy, complications, and surgeon and patient satisfaction related to forearm intravenous regional anaesthesia using low doses of lidocaine in ambulatory hand surgery. Methods: This prospective, randomized and double-blind study included patients who received 25 ml (125 mg; Group 1; n = 35) and 15 ml (75 mg; Group 2; n = 35) of 0.5% lidocaine. Data recorded included sociodemographic variables, intraoperative hemodynamic findings, time to onset of sensory and motor block, intensity of motor block, duration of tourniquet tolerance, need for additional local anaesthetic and sedation, development of intraoperative complications, perioperative visual analog scale values, and patient and surgeon satisfaction. Results: Group 2 showed significantly longer time to onset of motor and sensory block than Group 1 (p = 0.033 and 0.015, respectively). Group 2 showed a significantly weaker intensity of motor block than Group 1 (p < 0.001). Only one patient in Group 2 required additional local anaesthetic. No patient developed major complications. Conclusion: Forearm intravenous regional anaesthesia using a low dose of 0.5% lidocaine (75 mg; 15 ml) can provide adequate and safe surgical anaesthesia in ambulatory surgery of the hand. Furthermore, weaker motor blockade may assist the surgical team, especially in tendon surgeries. Therefore, the use of a lidocaine dose almost equivalent to the quantity used in IV induction of anaesthesia can achieve safe and effective anaesthesia in hand surgery. Level of Evidence: Level I, therapeutic study.

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McJunkin, Timothy R., Vivek Agarwal e Nancy Jean Lybeck. Online Monitoring of Induction Motors. Office of Scientific and Technical Information (OSTI), gennaio 2016. http://dx.doi.org/10.2172/1239881.

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Upadhyay, Piyush. Manufacturing Hybrid Copper-Aluminum Rotors for High Power Induction and Permanent Magnet Electric Motors - CRADA 475. Office of Scientific and Technical Information (OSTI), dicembre 2020. http://dx.doi.org/10.2172/1867254.

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